Concept:Learning is a change in behavior based on experience. It relies on forming a connection between a stimulus and a response.Explanation:The fundamental idea is that learning creates an association between a stimulus (trigger) and a response (reaction). This is supported by the Law of Contiguity (things happening close in time become linked) and the Law of Effect (rewards or punishments strengthen or weaken the link). For example, a child learns to avoid a hot stove because the stimulus (heat) is paired with the response (pain). Therefore, learning is essentially a stimulus‑response connection.Answer:A. Response